Within Littelfuse’s IDSR Series, IDSR03.5 is specified for 3.5A service at 600V AC / 600V DC. It combines Class RK5 indicating fuse performance with a documented 200kA AC interrupting rating. Visual blown-fuse indication is part of the series design. Refer to the official datasheet for final coordination.
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The IDSR Series catalog number IDSR03.5 delivers a 3.5A rating and 600V AC / 600V DC operating capability. With a Class R form factor, the part is intended for cartridge / clip mounting and carries a 200kA AC primary rating. Published dimensions for this rating/configuration are 127.0mm length; 20.7mm max body diameter. The indicating design also supports 600V DC circuits. Applications include DC circuits, Solar Inverters, Motor, Transformer, Solenoid. Confirm final suitability with the official datasheet and UL 248-12.
USCC4I
30A · 600VAC / 600VDC
USCC4
30A · 600VAC / 600VDC
USCC3N
30A · 600VAC / 600VDC
USCC3IN
30A · 600VAC / 600VDC
USCC3I
30A · 600VAC / 600VDC
USCC3
30A · 600VAC / 600VDC
USCC2I
30A · 600VAC / 600VDC
USCC2
30A · 600VAC / 600VDC